The dollar’s depreciation during the early floating rate period, 1973–1981, was a symptom of the Great Inflation. In that environment, sterilized foreign exchange interventions were ineffective in halting the dollar’s decline, but they showed a limited ability to smooth dollar movements....

If offi cial interventions convey private information useful for price discovery in foreign-exchange markets, then they should have value as a forecast of near-term exchange-rate movements. Using a set of standard criteria, we show that approximately 60 percent of all U.S. foreign-exchange...